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Dynamical systems

Graduate · Math

Syllabus focus

Standard syllabus · STEM / applied

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$1,162 · Dynamical systems · 18 tutoring hrs

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Topics typically covered

Standard syllabus

Flows and invariant sets

  • Existence and uniqueness for ODEs; maximal intervals of solutions
  • Flows, orbits, and invariant sets
  • Limit sets, ω-limit sets, and attractors
  • Lyapunov stability and Lyapunov functions
  • Stable and unstable manifolds (local theory)

Bifurcation theory

  • Parameter-dependent equilibria; structural stability (introduction)
  • Saddle-node, transcritical, and pitchfork bifurcations
  • Hopf bifurcation and limit cycle creation
  • Normal forms and center manifold reduction (introduction)
  • Codimension-two bifurcations (overview)

Discrete and symbolic dynamics

  • Diffeomorphisms and return maps
  • Smale horseshoe and symbolic dynamics
  • Topological entropy (introduction)
  • Period doubling cascade and universality
  • Hamiltonian dynamics and KAM theory (overview)

STEM / applied

Applied dynamical systems

  • Pattern formation in PDEs (reaction–diffusion, introduction)
  • Celestial mechanics and n-body problems (overview)
  • Neuronal dynamics and bursting models
  • Epidemiological and ecological models with bifurcations
  • Control of nonlinear systems near equilibria

Computation and analysis tools

  • Numerical continuation and bifurcation software (AUTO, MatCont overview)
  • Lyapunov exponent computation
  • Delay differential equations (introduction)
  • Random dynamical systems (introduction)
  • Data-driven reconstruction of attractors (overview)

Notes

Topics reflect common graduate dynamical systems syllabi at US universities. Prerequisites include graduate ordinary differential equations and functional analysis basics.